Valencia (CA)
September
Weather in Valencia, California for September 2026
Your guide to Valencia weather in September - trends and predictions
So far, September 2026 in Valencia is slightly warmer than the historical average by 1 °F.
Expect cooler weather in the next days in Valencia with the forecast suggesting a temperature of 28.3 °F, lower than the historical average.
In general, the average temperature in Valencia at the beginning of September is 33.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.9 °F by the end of September.
Precipitation in Valencia during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
More
29
Dry days
1
Rainy days
0
Snow days
30°/17°
Temperatures
17 km/h
Avg max wind
50 %
Avg humidity
Valencia Weather September
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Temperatures trend during September in Valencia
See the weather trend as well as the moving average line
September weather in Valencia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 33° /17° | 0.3 mm | 8 | |
| Sept. 2 | Sunny | 33° /18° | 0 mm | 8 | |
| Sept. 3 | Sunny | 32° /18° | 0.6 mm | 8 | |
| Sept. 4 | Sunny | 34° /18° | 0 mm | 9 | |
| Sept. 5 | Sunny | 35° /18° | 0 mm | 9 | |
| Sept. 6 | Sunny | 34° /19° | 0.7 mm | 8 | |
| Sept. 7 | Sunny | 36° /20° | 0 mm | 9 | |
| Sept. 8 | Sunny | 37° /20° | 0 mm | 9 | |
| Sept. 9 | Sunny | 36° /21° | 0 mm | 8 | |
| Sept. 10 |  Overcast | 32° /20° | 0 mm | 7 | |
| Sept. 11 | Sunny | 31° /18° | 0 mm | 7 | |
| Sept. 12 | Sunny | 30° /16° | 0 mm | 8 | |
| Sept. 13 | Sunny | 29° /14° | 0 mm | 8 | |
| Sept. 14 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 15 |  Partly cloudy | 30° /15° | 0 mm | 8 | |
| Sept. 16 | Partly cloudy | 28° /15° | 0.1 mm | 8 | |
| Sept. 17 |  Cloudy | 28° /14° | 0.1 mm | 7 | |
| Sept. 18 |  Mist | 25° /14° | 3 mm | 6 | |
| Sept. 19 | Mist | 27° /14° | 0 mm | 7 | |
| Sept. 20 | Cloudy | 26° /13° | 0 mm | 5 | |
| Sept. 21 | Sunny | 24° /14° | 0 mm | 7.6 | |
| Sept. 22 | Sunny | 29° /15° | 0 mm | 7.4 | |
| Sept. 23 | Sunny | 32° /20° | 0 mm | 7.5 | |
| Sept. 24 | Sunny | 31° /19° | 0 mm | 7.6 | |
| Sept. 25 | Sunny | 31° /19° | 0 mm | 8 | |
| Sept. 26 | Sunny | 31° /20° | 0 mm | 8 | |
| Sept. 27 | Overcast | 29° /19° | 0 mm | 6 | |
| Sept. 28 | Overcast | 31° /20° | 0 mm | 8 | |
| Sept. 29 | Overcast | 30° /24° | 0 mm | 7 | |
| Sept. 30 | Overcast | 26° /19° | 2.9 mm | 6 | |
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Important Notice
Our weather forecast for Valencia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Valencia forecast closer to your planned date for the most up-to-date weather information.
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Valencia in September - FAQ
What are the expected maximum and minimum temperatures in Valencia during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Valencia during September?
Rainfall in Valencia during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Valencia during September?
The average wind speed in Valencia during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Valencia
Explore the daily rainfall trends and prepare for Valencias September weather 💧
Typically, Valencia has 1 rainy days in September with a total of 6.1 mm of rainfall.
UV exposure in Valencia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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